mt76: fix double DMA unmap of the first buffer on 7615/7915

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A small part of the first skb buffer is passed to the firmware for parsing
via DMA, while the full buffer is passed as part of the TXP.

Avoid calling DMA unmap on the first part (with a different length than map)

Signed-off-by: Felix Fietkau <nbd@nbd.name>

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This commit is contained in:

Felix Fietkau 2020-07-25 14:44:07 +02:00

parent c12b7c7944

commit 27d5c528a7

4 changed files with 12 additions and 2 deletions

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8

drivers/net/wireless/mediatek/mt76/dma.c

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4

drivers/net/wireless/mediatek/mt76/mt76.h

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1

drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c

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1

drivers/net/wireless/mediatek/mt76/mt7915/mac.c

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